22641105636620 has 24 divisors (see below), whose sum is σ = 47552385974688. Its totient is φ = 9055287180800.

The previous prime is 22641105636607. The next prime is 22641105636673. The reversal of 22641105636620 is 2663650114622.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72031376 + ... + 72345015.

It is an arithmetic number, because the mean of its divisors is an integer number (1981349415612).

Almost surely, 2^{22641105636620} is an apocalyptic number.

22641105636620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22641105636620 is an abundant number, since it is smaller than the sum of its proper divisors (24911280338068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22641105636620 is a wasteful number, since it uses less digits than its factorization.

22641105636620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144384241 (or 144384239 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 22641105636620 in words is "twenty-two trillion, six hundred forty-one billion, one hundred five million, six hundred thirty-six thousand, six hundred twenty".